There are many causes of gastritis, summarized as follows: First, irregular diet, often hunger and satiety, three meals are not regular. Secondly, poor eating habits, often swallowing, food in the mouth without teeth grinding, already swallowed, or eating while watching TV, reading books. Third, eating some cold, greasy and irritating food and induced, such as strong tea, coffee, spicy, too hot or rough food. Or eating spoiled or unhygienic food. Fourth, long-term heavy alcohol consumption and smoking. Fifth, certain drugs to stimulate the trigger. Sixth, excessive mental tension, excessive thinking, or overexertion. Seventh, the body of other parts of the serious disease compensation. These you have a few of these it, if so, you need to change the diet and lifestyle habits, pay more attention to it.